<table matSort matSortActive="emoji" matSortDirection="asc">
  <tr>
    <th mat-sort-header="emoji">
      Emoji icon
      <span matSortHeaderIcon>⬆️</span>
    </th>
    <th mat-sort-header="material">
      Material Icon
      <mat-icon matSortHeaderIcon>keyboard_arrow_up</mat-icon>
    </th>
  </tr>

  <tbody>
    <tr>
      <td>Lorem, ipsum dolor sit amet.</td>
      <td>Lorem, ipsum dolor sit amet.</td>
    </tr>
  </tbody>
</table>
